Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 920 · 40 questions

The fast method (Halve first): Halve the number. × 5: multiply the half by 10. × 50: multiply the half by 100. Odd number? Its half ends in .5 — 43 → 21.5 — and × 10 moves the point: 215.

1. 1.93 × 5 =
2. 2.90 × 50 =
3. 3.89 × 5 =
4. 4.27 × 5 =
5. 5.29 × 5 =
6. 6.75 × 5 =
7. 7.62 × 5 =
8. 8.33 × 50 =
9. 9.76 × 50 =
10. 10.43 × 5 =
11. 11.21 × 50 =
12. 12.19 × 50 =
13. 13.20 × 50 =
14. 14.69 × 50 =
15. 15.59 × 50 =
16. 16.42 × 50 =
17. 17.29 × 50 =
18. 18.86 × 5 =
19. 19.18 × 50 =
20. 20.27 × 5 =
21. 21.62 × 50 =
22. 22.17 × 50 =
23. 23.23 × 50 =
24. 24.52 × 50 =
25. 25.75 × 50 =
26. 26.12 × 5 =
27. 27.61 × 50 =
28. 28.17 × 50 =
29. 29.35 × 50 =
30. 30.70 × 5 =
31. 31.28 × 5 =
32. 32.72 × 50 =
33. 33.32 × 50 =
34. 34.44 × 50 =
35. 35.98 × 50 =
36. 36.84 × 50 =
37. 37.84 × 5 =
38. 38.92 × 50 =
39. 39.47 × 50 =
40. 40.60 × 5 =

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